31 lines
770 B
TypeScript
31 lines
770 B
TypeScript
/*
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* https://github.com/morethanwords/tweb
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* Copyright (C) 2019-2021 Eduard Kuzmenko
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* https://github.com/morethanwords/tweb/blob/master/LICENSE
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*/
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import {animate} from '../../helpers/animation';
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export default function callVideoCanvasBlur(video: HTMLVideoElement) {
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const canvas = document.createElement('canvas');
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canvas.classList.add('call-video-blur');
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const size = 16;
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canvas.width = size;
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canvas.height = size;
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const ctx = canvas.getContext('2d', {alpha: false});
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ctx.filter = 'blur(2px)';
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const renderFrame = () => {
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ctx.drawImage(video, 0, 0, video.videoWidth, video.videoHeight, 0, 0, canvas.width, canvas.height);
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};
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animate(() => {
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renderFrame();
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return canvas.isConnected;
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});
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renderFrame();
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return canvas;
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}
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